From b82b98e71bc784bbf791caade67af7464cdf10b6 Mon Sep 17 00:00:00 2001
From: Adam Weidman <adamfweidman@google.com>
Date: Wed, 11 Feb 2026 18:32:45 -0500
Subject: [PATCH] fix: resolve TS4111 build error by using bracket notation for
 index signatures

---
 packages/core/src/services/modelConfigService.ts | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/packages/core/src/services/modelConfigService.ts b/packages/core/src/services/modelConfigService.ts
index fe4f15ece7..238a504eb0 100644
--- a/packages/core/src/services/modelConfigService.ts
+++ b/packages/core/src/services/modelConfigService.ts
@@ -171,10 +171,10 @@ export class ModelConfigService {
 
       // Ensure we don't have BOTH if one was a default from an alias
       if (context.thinkingLevel) {
-        delete (thinkingConfig as Record<string, unknown>).thinkingBudget;
+        delete (thinkingConfig as Record<string, unknown>)['thinkingBudget'];
       }
       if (context.thinkingBudget) {
-        delete (thinkingConfig as Record<string, unknown>).thinkingLevel;
+        delete (thinkingConfig as Record<string, unknown>)['thinkingLevel'];
       }
 
       currentConfig.generateContentConfig = {